python3.6安装

2019-01-10 14:38 

版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/u013862108/article/details/86104289

pypi  网站 找包

 

mac 环境安装 python3  (3.7.2) 源码包方式

mac 安装 start————————————

 

pkg 安装 推荐;(源码包总是 报  SSL error)

注意,必须是root安装,root 下操作 比如

pip3 install Scrapy

 

Location: /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages

 

下载pkg包

Python for macOS consists of the Python programming language interpreter, plus a set of programs to allow easy access to it for macOS users including an integrated development environment IDLE.

 

Certificate verification and OpenSSL

 

This variant of Python 3.7 includes its own private copy of OpenSSL 1.1.0.  The deprecated Apple-supplied OpenSSL libraries are no longer used

 

Python 3 and Python 2 Co-existence

 

Python.org Python 3.7 and 2.7.x versions can both be installed on your system and will not conflict. Command names for Python 3 contain a 3 in them, python3 (or python3.7), idle3 (or idle3.7), pip3 (or pip3.7), etc.  Python 2.7 command names contain a 2 or no digit: python2 (or python2.7 or python), idle2 (or idle2.7 or idle), etc.

 

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